I have just updated my comparison of RPT management utilities for 2016. These are tools that allow you to scan, document, compare and in some cases batch update RPT files. The list now includes 8 tools:
Report Runner Documentor by Jeff-Net
R-Tag Documentation and Search by R-Tag
R-Tag Version Control by R-Tag
Report Miner by the Retsel Group
Code Search Professional by Find it EZ Software Corp.
Dev Surge Enterprise by Find it EZ Software Corp.
Report Analyzer by Cortex Systems
.rpt Inspector 3 Professional Suite by Software Forces, LLC